diff --git a/public/mod/bigbluebuttonbn/classes/extension.php b/public/mod/bigbluebuttonbn/classes/extension.php
index 9ba37cf0fda..14b03ac0a67 100644
--- a/public/mod/bigbluebuttonbn/classes/extension.php
+++ b/public/mod/bigbluebuttonbn/classes/extension.php
@@ -24,6 +24,7 @@ use mod_bigbluebuttonbn\local\extension\mod_form_addons;
use mod_bigbluebuttonbn\local\extension\mod_instance_helper;
use mod_bigbluebuttonbn\local\extension\navigation_append_addon;
use mod_bigbluebuttonbn\local\extension\navigation_override_addon;
+use mod_bigbluebuttonbn\local\extension\view_page_addons;
use stdClass;
use core_plugin_manager;
use core_component;
@@ -291,4 +292,23 @@ class extension {
}
return false;
}
+
+ /**
+ * Get rendered output for override in the instance.
+ *
+ * @param \renderer_base $renderer
+ * @param instance $instance
+ * @return string|null Rendered information for the instance, or null if no override found.
+ */
+ public static function get_rendered_output_override($renderer, $instance): ?string {
+ $classes = self::get_classes_implementing(view_page_addons::class);
+ if (!empty($classes)) {
+ $outputclass = reset($classes);
+ if (class_exists($outputclass)) {
+ return $renderer->render(new $outputclass($instance));
+ }
+ }
+ // Fallback to the default rendered output if no subplugin overrides it.
+ return null;
+ }
}
diff --git a/public/mod/bigbluebuttonbn/classes/local/extension/view_page_addons.php b/public/mod/bigbluebuttonbn/classes/local/extension/view_page_addons.php
new file mode 100644
index 00000000000..f47c73c9976
--- /dev/null
+++ b/public/mod/bigbluebuttonbn/classes/local/extension/view_page_addons.php
@@ -0,0 +1,28 @@
+.
+
+namespace mod_bigbluebuttonbn\local\extension;
+
+/**
+ * A single action class to mutate the action URL.
+ *
+ * @package mod_bigbluebuttonbn
+ * @copyright 2025 onwards, Blindside Networks Inc
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author Jesus Federico (jesus [at] blindsidenetworks [dt] com)
+ */
+abstract class view_page_addons extends \mod_bigbluebuttonbn\output\view_page {
+}
diff --git a/public/mod/bigbluebuttonbn/classes/output/renderer.php b/public/mod/bigbluebuttonbn/classes/output/renderer.php
index fde004cd65c..50de1b6aded 100644
--- a/public/mod/bigbluebuttonbn/classes/output/renderer.php
+++ b/public/mod/bigbluebuttonbn/classes/output/renderer.php
@@ -85,19 +85,6 @@ class renderer extends plugin_renderer_base {
return $groupsmenu . '
';
}
- /**
- * Render the view page.
- *
- * @param view_page $page
- * @return string
- */
- public function render_view_page(view_page $page): string {
- return $this->render_from_template(
- 'mod_bigbluebuttonbn/view_page',
- $page->export_for_template($this)
- );
- }
-
/**
* Render inplace editable
*
diff --git a/public/mod/bigbluebuttonbn/classes/output/view_page.php b/public/mod/bigbluebuttonbn/classes/output/view_page.php
index 40654ea66e3..355f33717bc 100644
--- a/public/mod/bigbluebuttonbn/classes/output/view_page.php
+++ b/public/mod/bigbluebuttonbn/classes/output/view_page.php
@@ -55,12 +55,20 @@ class view_page implements renderable, templatable {
* @param renderer_base $output
* @return stdClass
*/
- public function export_for_template(renderer_base $output): stdClass {
+ public function export_for_template(renderer_base $output): \stdClass {
+ // By default use group selector from the plugin renderer.
+ global $PAGE;
+ $pluginrenderer = $PAGE->get_renderer('mod_bigbluebuttonbn');
+ $groupselector = $pluginrenderer->render_groups_selector($this->instance);
+ if (method_exists($output, 'render_groups_selector')) {
+ // If the output renderer supports the method, override it.
+ $groupselector = $output->render_groups_selector($this->instance);
+ }
$pollinterval = bigbluebutton_proxy::get_poll_interval();
$templatedata = (object) [
'instanceid' => $this->instance->get_instance_id(),
'pollinterval' => $pollinterval * 1000, // Javascript poll interval is in miliseconds.
- 'groupselector' => $output->render_groups_selector($this->instance),
+ 'groupselector' => $groupselector,
'meetingname' => $this->instance->get_meeting_name(),
'description' => $this->instance->get_meeting_description(true),
'joinurl' => $this->instance->get_join_url(),
@@ -145,5 +153,4 @@ class view_page implements renderable, templatable {
return false;
}
-
}
diff --git a/public/mod/bigbluebuttonbn/tests/behat/subplugins.feature b/public/mod/bigbluebuttonbn/tests/behat/subplugins.feature
index ba41a0a06e3..c2a1678f519 100644
--- a/public/mod/bigbluebuttonbn/tests/behat/subplugins.feature
+++ b/public/mod/bigbluebuttonbn/tests/behat/subplugins.feature
@@ -1,4 +1,4 @@
-@mod @mod_bigbluebuttonbn @with_bbbext_simple
+@mod @mod_bigbluebuttonbn @with_bbbext_simple @with_bbbext_complex
Feature: BigBlueButtonBN Subplugins test
As a BigBlueButtonBN user
I can list the subplugins the admin settings pages
@@ -137,3 +137,13 @@ Feature: BigBlueButtonBN Subplugins test
And I am on the "BBB Instance name" "bigbluebuttonbn activity" page logged in as "admin"
Then I should see "Override Navigation"
And I should not see "Append Navigation"
+
+ @javascript
+ Scenario: I check that subplugins can override the view
+ Given I log in as "admin"
+ And I am on the "BBB Instance name" "bigbluebuttonbn activity" page logged in as "admin"
+ And I should not see "Hello from complex::renderer!"
+ And I navigate to "Plugins > Activity modules > BigBlueButton > Manage BigBlueButton extension plugins" in site administration
+ And I click on "Enable" "link" in the "Complex" "table_row"
+ When I am on the "BBB Instance name" "bigbluebuttonbn activity" page logged in as "admin"
+ And I should see "Hello from complex::renderer!"
diff --git a/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/classes/bigbluebuttonbn/view_page_addons.php b/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/classes/bigbluebuttonbn/view_page_addons.php
new file mode 100644
index 00000000000..5d07f3d6ca1
--- /dev/null
+++ b/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/classes/bigbluebuttonbn/view_page_addons.php
@@ -0,0 +1,56 @@
+.
+
+namespace bbbext_complex\bigbluebuttonbn;
+
+use stdClass;
+use mod_bigbluebuttonbn\instance;
+
+/**
+ * View Page template renderable.
+ *
+ * @package mod_bigbluebuttonbn
+ * @copyright 2025 onwards, Blindside Networks Inc
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author Jesus Federico (jesus [at] blindsidenetworks [dt] com)
+ */
+class view_page_addons extends \mod_bigbluebuttonbn\local\extension\view_page_addons {
+ /** @var instance The instance being rendered */
+ protected $instance;
+
+ /**
+ * Constructor for the View Page.
+ *
+ * @param instance $instance
+ */
+ public function __construct(instance $instance) {
+ $this->instance = $instance;
+ }
+
+ /**
+ * Export the content required to render the template.
+ *
+ * @param mixed $renderer The renderer instance (matches parent signature).
+ * @return stdClass
+ */
+ public function export_for_template($renderer): \stdClass {
+ return (object) [
+ 'message' => 'Hello from complex::renderer!',
+ 'meetingname' => $this->instance->get_meeting_name(),
+ 'description' => $this->instance->get_meeting_description(true),
+ ];
+ }
+}
diff --git a/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/templates/view_page_addons.mustache b/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/templates/view_page_addons.mustache
new file mode 100644
index 00000000000..ba6bb353bcf
--- /dev/null
+++ b/public/mod/bigbluebuttonbn/tests/fixtures/extension/complex/templates/view_page_addons.mustache
@@ -0,0 +1,46 @@
+{{!
+ This file is part of Moodle - http://moodle.org/
+
+ Moodle is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Moodle is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Moodle. If not, see .
+}}
+{{!
+ @template bbbext_complex/view_page
+
+ This template renders the /view_page.php page.
+
+ Example context (json):
+ {
+ "instanceid": 1234,
+ "meetingname": "My first meeting",
+ "meetingdescription": "This is my first meeting!",
+ "serverwarning": true,
+ "sitenotification": {
+ "message": "Unlock premium feature",
+ "actions": [
+ {
+ "url": "https://example.com/",
+ "name": "action",
+ "value": "buy",
+ "title": "Upgrade now"
+ }
+ ]
+ },
+ "pollinterval": 5
+ }
+
+}}
+View Page
+
+ {{message}}
+
diff --git a/public/mod/bigbluebuttonbn/view.php b/public/mod/bigbluebuttonbn/view.php
index 74175cddd1c..fa50dae8909 100644
--- a/public/mod/bigbluebuttonbn/view.php
+++ b/public/mod/bigbluebuttonbn/view.php
@@ -25,6 +25,7 @@
* @author Darko Miletic (darko.miletic [at] gmail [dt] com)
*/
+use mod_bigbluebuttonbn\extension;
use mod_bigbluebuttonbn\instance;
use mod_bigbluebuttonbn\local\config;
use mod_bigbluebuttonbn\local\exceptions\server_not_available_exception;
@@ -81,7 +82,11 @@ $PAGE->set_heading($course->fullname);
$renderer = $PAGE->get_renderer('mod_bigbluebuttonbn');
try {
- $renderedinfo = $renderer->render(new view_page($instance));
+ $renderedinfo = extension::get_rendered_output_override($renderer, $instance);
+ if (!$renderedinfo) {
+ // If no override is found, use the default view_page renderable.
+ $renderedinfo = $renderer->render(new view_page($instance));
+ }
} catch (server_not_available_exception $e) {
bigbluebutton_proxy::handle_server_not_available($instance);
}